/* A very simple result type
(C) 2017-2026 Niall Douglas <http://www.nedproductions.biz/> (8 commits)
File Created: June 2017


Boost Software License - Version 1.0 - August 17th, 2003

Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
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*/

#ifndef BOOST_OUTCOME_STD_RESULT_HPP
#define BOOST_OUTCOME_STD_RESULT_HPP

#include "basic_result.hpp"
#include "detail/trait_std_error_code.hpp"
#include "detail/trait_std_exception.hpp"

#include "policy/fail_to_compile_observers.hpp"
#include "policy/result_error_code_throw_as_system_error.hpp"
#include "policy/result_exception_ptr_rethrow.hpp"
#include "policy/throw_bad_result_access.hpp"

BOOST_OUTCOME_V2_NAMESPACE_EXPORT_BEGIN

/*! AWAITING HUGO JSON CONVERSION TOOL 
SIGNATURE NOT RECOGNISED
*/
namespace policy
{
  /*! AWAITING HUGO JSON CONVERSION TOOL 
SIGNATURE NOT RECOGNISED
*/
  template <class T, class EC, class E>
  using default_policy = std::conditional_t<  //
  std::is_void<EC>::value && std::is_void<E>::value,
  terminate,                                                                                                                     //
  std::conditional_t<                                                                                                            //
  trait::is_error_code_available<EC>::value, error_code_throw_as_system_error<T, EC, E>,                                         //
  std::conditional_t<                                                                                                            //
  trait::is_exception_ptr_available<EC>::value || trait::is_exception_ptr_available<E>::value, exception_ptr_rethrow<T, EC, E>,  //
  fail_to_compile_observers                                                                                                      //
  >>>;
}  // namespace policy

/*! AWAITING HUGO JSON CONVERSION TOOL 
SIGNATURE NOT RECOGNISED
*/
template <class R, class S = std::error_code, class NoValuePolicy = policy::default_policy<R, S, void>>  //
using std_result = basic_result<R, S, NoValuePolicy>;

/*! AWAITING HUGO JSON CONVERSION TOOL 
type alias template <class R, class S = std::error_code> std_unchecked. Potential doc page: `std_unchecked<T, E = std::error_code>`
*/
template <class R, class S = std::error_code> using std_unchecked = std_result<R, S, policy::all_narrow>;

/*! AWAITING HUGO JSON CONVERSION TOOL 
type alias template <class R, class S = std::error_code> std_checked. Potential doc page: `std_checked<T, E = std::error_code>`
*/
template <class R, class S = std::error_code> using std_checked = std_result<R, S, policy::throw_bad_result_access<S, void>>;

BOOST_OUTCOME_V2_NAMESPACE_END

#endif
